Compare 159 vs 163
| Property | 159 | 163 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 531 | 1631 |
| Prime factorization | 3 × 53 | 163 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 53, 159 | 1, 163 |
| Number of properties | 1 | 7 |
| Cousin primes (1st member) | 13th | |
| Isolated primes | 15th | |
| Lucky primes | 12th | |
| Pierpont primes | 12th | |
| Primes | 38th | |
| Semiprimes | 53rd | |
| Sexy primes (2nd member) | 22nd | |
| Sexy prime triplets (3rd member) | 12th | |
| Roman numberals | CLIX | CLXIII |
| Base 2 | 100111112 | 101000112 |
| Base 3 | 122203 | 200013 |
| Base 4 | 21334 | 22034 |
| Base 5 | 11145 | 11235 |
| Base 6 | 4236 | 4316 |
| Base 7 | 3157 | 3227 |
| Base 8 | 2378 | 2438 |
| Base 9 | 1869 | 2019 |
| Base 10 | 15910 | 16310 |
| Base 11 | 13511 | 13911 |
| Base 12 | 11312 | 11712 |
| Base 13 | c313 | c713 |
| Base 14 | b514 | b914 |
| Base 15 | a915 | ad15 |
| Base 16 | 9f16 | a316 |